Home / 56,068.38-84,116.75-18,628.65

Finding the Fourth Proportional to 56,068.38, 84,116.75 and 18,628.65

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Solution

The fourth proportional to 56,068.38, 84,116.75 and 18,628.65 is: 27,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,068.38 : 84,116.75 = 18,628.65 : x
  2. Step 2: Convert to fraction form
    56,068.38/84,116.75 = 18,628.65/x
  3. Step 3: Cross multiply
    56,068.38x = 84,116.75 × 18,628.65
  4. Step 4: Simplify right side
    56,068.38x = 1,566,981,494.89
  5. Step 5: Solve for x
    x = 1,566,981,494.89/56,068.38
  6. Step 6: Final answer
    x = 27,947.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.